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Hazardous Weather Conditions

Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

76°F

24°C

Humidity 91%
Wind Speed SW 7 mph
Barometer 29.99 in (1014.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 1 Jul 3:54 am CDT
Extended Forecast for

Mackinaw IL

Extreme Heat Warning July 1, 04:38am until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 1, 04:38am until July 3, 12:00am

    NOW until 12:00am Fri

    Extreme Heat Warning

  • Today

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Heat index values as high as 103. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South wind 3 to 8 mph. Winds could gust as high as 15 mph.

    Low: 76 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph, with gusts as high as 17 mph.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind 3 to 7 mph.

    Low: 74 °F

    Partly Cloudy
    then Chance
    T-storms

  • Independence Day

    Independence Day: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 92. Heat index values as high as 103. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 76. South wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 93. Heat index values as high as 103. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South wind 3 to 8 mph. Winds could gust as high as 15 mph.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph, with gusts as high as 17 mph.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind 3 to 7 mph.
Independence Day
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mackinaw IL
 40.54°N 89.36°W (Elev. 650 ft)
Last Update:
3:51 am CDT Jul 1, 2026
Forecast Valid:
4am CDT Jul 1, 2026-6pm CDT Jul 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation